ABC is looking for volunteers to participate in a concert scene for the popular television show "Nashville" on Wednesday. Volunteers will be a part of a scene featuring Scarlett, who is played by Clare Bowen, that is being filmed at the Wildhorse Saloon in downtown Nashville. Extras are required to come dressed in fashionable cocktail attire. The shoot begins at 10:30 a.m. Wednesday and continues until 7 p.m.Participants must register online before arriving to the venue on Wednesday morning.Space is limited to 350 volunteers. Click here for more information or to register. "Nashville" is set to begin its second season on ABC next month.